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A test line of a new energy suspension

A test line of a new energy suspension railway, resembling a giant panda, is seen in chengdu, sichuan province, china. While non-condensing boilers just exhaust these gases, and waste the included energy, condensing boilers re-use the contained energy by condensing the water vapour this makes them around 10% more efficient than a.

Added: 2020-05-08 | Comments: 0 | Category: one